The Best pc atx power supply of 2021 – Top 10 and Rankings

If you’re looking for pc atx power supply but don’t know which one is the best, we recommend the first out of 10 pc atx power supply in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

SaleRank No. #1
ARESGAME Power Supply 650W 80+ Bronze Certified PSU (AGV650)
  • 650w ATX gaming pc power supply
  • 80 plus Bronze certified, with 85% efficiency or higher and very stable voltage output
  • All cables are black and not ketchup and mustard colored
  • Silent and durable 120mm fan
  • Full protection including OVP/UVP/OPP/SCP/OCP/OTP
Rank No. #2
StarTech.com 350 Watt ATX12V 2.01 Computer PC Power Supply w/ 20 & 24 Pin Connector (ATX2POWER350)
  • This high quality 350 Watt ATX12V 2.01 power supply offers a reliable PC power solution, with support for modern dual-core CPU designs as well as PCI Express and SATA device connections. Compliant with ATX12V 2.01 revision standards, the power supply offers dual 12V power rails, and ensures broad compatibility with a 20/24 pin motherboard connection. Designed to provide dependable, long-lasting power to your hard working AMD or Intel CPU based system, the 350 Watt PSU is backed by StarTech.com's 2 year warranty and free lifetime technical support.
  • Heavy-duty transformer designed to support high performance systems with several drives
  • Smart fan adjusts speed to provide quieter operation while maintaining optimum cooling
  • MTBF 100,000 hours
  • Dedicated power on second 12V output as required by latest processors
SaleRank No. #3
EVGA 500W 80PLUS Certified ATX12V/EPS12V Power Supply 100-W1-0500-KR
  • EVGA 500 Watt; Unbeatable value
  • 80 plus white certified, with 80 percentage efficiency or higher under typical loads
  • Heavy duty protections, including OVP (Over voltage protection); UVP (Under voltage protection, OCP (Over current protection), OPP (over power protection), and SCP (short circuit protection)
  • 3 year warranty
  • Compatibility of the EVGA 500 W1, 80+ white 500 W, Power supply 100 W1 0500 KR (100 W1 0500 KR)
SaleRank No. #4
Computer PC Power Supply Tester, ATX/ITX/IDE/HDD/SATA/BYI Connectors Power Supply Tester, 1.8'' LCD Screen (Aluminum Alloy Enclosure)
  • [8-in-1 ATX Power Supply Tester] -- Support test 20-pin IDE / 24-pin IDE / HDD / Floppy 4-pin / PCI-e 6-pin / 4-pin / 8-pin / SATA connectors
  • [Aluminum Alloy Enclosure] -- Light and Easy to Carry, High Strength, Nice Thermal Conductivity & Corrosion Resistance
  • [1.8'' LCD Screen] -- Outputted Voltages shows on the 1.8'' LCD Screen, Easy to Read ( The 1.8'' LCD Screen was Powered by 20-pin / 24-pin Connector ), Note: The Product Screen Has a Load of Scratches All Over It?Because The Screen is Easy to Scratch, We Put a Protective Film on It, If You Think It's Not Beautiful, You Can Tear It Off by Yourself
  • [Beep Alarm] -- When your power supply test value is beyond normal range, the Power Supply Tester would issue a buzzer alarm, Easy to Know
  • NOTE: The voltage of IDE / SATA / P6 / P8 interface is displayed by the three lights on the left of the power tester. If their voltage is normal, the three groups of lights (+ 12V, + 3.3, + 5V) will be on. If the light is not on, it indicates that the interface line group is faulty
Rank No. #5
Optimal Shop 20+4 Pin LCD Computer Power Supply Tester for SATA IDE HDD ATX ITX BYI Connectors-Black
  • 8-in-1 ATX power supply tester: Support testing 20-pin IDE/24-pin IDE/HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector.
  • Aluminum alloy shell: light and easy to carry, high strength, good thermal conductivity and corrosion resistance.
  • 1.8" LCD screen: The output voltage is displayed on the 1.8" LCD screen, which is easy to read (1.8" LCD screen is powered by the 20-pin/24-pin connector). Note: Is there a scratch on the product screen? Because the screen is easy to scratch, we put a protective film on it, if you think it is not beautiful, you can tear it off by yourself.
  • Buzzer alarm: When your power supply PG number fails, the power tester will emit a buzzer alarm, which is easy to know.
  • When testing with HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector, the indicator on the left shows the output voltage (+12V + 3.3V + 5V).
Rank No. #6
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
  • Delivers 500 Watt Continuous output @ +40 degree. Compliance with Intel ATX 12 Volt 2.31 & EPS 12V 2.92 standards
  • 80 PLUS Certified, 80percentage efficiency under typical load
  • Supports (2) PCI E 6+2pin Connectors. Active (PFC) Power Factor Correction, MTBF: 100,000 hours
  • Industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection
  • High Quality Components
SaleRank No. #7
Thermaltake TR2 600W ATX 12 V2.3 Power Supply TR-600CUS
  • Cable management optimized - elongated cables enable enthusiasts and Power users to properly route the cables in optimal location to prevent airflow blockage. Significantly improving computer system's overall thermal efficiency, as well as the aesthetic
  • Intelligent 120mm cooling fan - large 120mm cooling fan with intelligent temperature control automatically Throttles the fan speed so you get added cooling while working on intensive application or gaming and Whisper quiet operation when you need it
  • Designed with powerful graphic card support in mind - so you want to play the latest game Title in ultra-realistic settings? Dual 12V Rails with plenty of juice to spare support any graphic card (NVIDIA or AMD)
  • Peace OF mind Warranty - all Thermaltake power supplies, not just the premium models, carry industry's most trusted 5 years warranty
  • "Bullet-proof" Protections - Power protections such as over-voltage protection, over power Protection and short-circuit protection to expect for the unexpected
SaleRank No. #8
Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply
  • Apevia ATX-PR800W Prestige 800W 80 Plus Gold Certified & RoHS Compliance, Active PFC ATX Gaming Power Supply. Comes with 3-year warranty.
  • Supports Dual/Quad/multi-core CPUs. Supports single 12V output for higher power usage
  • Dc to DC converter design, provides superior dynamic response, greater system stability and maximizes the 12V DC rail output
  • Multi-gpu technologies supported; 6 pin and 8 pin PCI-E connectors support all GPU platforms. Built in 1 x auto-thermally controlled black 135mm fan
  • Connectors: 1 x 20/24pin main power, 1 x 4/8pin 12V, 2 x PCI 6+2pin, 7 x SATA, 4 x peripheral. All protections
SaleRank No. #10
Apevia ATX-BA550 Beast 550W ATX Gaming Power Supply, Supports Dual/Quad Core CPUs
  • Apevia ATX-BA550 Beast 550W ATX Gaming Power Supply.
  • Connectors: 1 x 20/24pin Main Power, 1 x P8(4+4P) ESP 12V, 4 x SATA + 1 x 8(6+2)pin PCI-E, 4 x Peripheral, 1 x Floppy. Supports Single 12V Output for Higher Power Usage
  • Auto-Thermally Controlled 120mm Blue LED Fan. Output: +3.3V@16A, +5V@16A, +12V@40A, -12V@0.3A, +5Vsb@2.5A. 115/230V Switch. All Sleeved Cables.
  • Supports ATX 12V 2.3 Version. Supports Dual/Quad Core CPUs. Supports Haswell.
  • Double Forward Converter Design. Cosmic Black Casing. Heavy Duty Protections. Short-Circuit/ Over-Voltage/ Over-Power/ Under-Voltage Protections

How Do You Buy The Best pc atx power supply of 2021?

Do you get stressed out thinking about shopping for a great pc atx power supply? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching pc atx power supply, which is why we have assembled a comprehensive list of the greatest pc atx power supply available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for pc atx power supply that you consider buying. Your questions might include the following:

  • Is it worth buying an pc atx power supply?
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  • What factors deserve consideration when shopping for an effective pc atx power supply?
  • Why is it crucial to invest in any pc atx power supply, much less the best one?
  • Which pc atx power supply are good in the current market?
  • Where can you find information like this about pc atx power supply?

We’re convinced that you likely have far more questions than just these regarding pc atx power supply, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for pc atx power supply, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible pc atx power supply. Make sure that you are only using trustworthy and credible websites and sources.

We provide an pc atx power supply buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available pc atx power supply currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of pc atx power supply has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an pc atx power supply?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your pc atx power supply.
  5. Customer Ratings: Number ratings grade pc atx power supply objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their pc atx power supply.
  7. Product Quality: You don’t always get what you pay for with an pc atx power supply, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an pc atx power supply is should be an indication of how long it will work out for you.

We always remember that maintaining pc atx power supply information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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